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CASE STUDY / DIGITAL PLATFORM

Engineering a
digital volunteer
platform for Indonesia.

Hindunesia connects volunteer registration, identity verification, donations, membership, digital member cards, and QR verification in one connected digital flow.

Visit Hindunesia ↗
relawan.hindunesia.id

HINDUNESIA

Volunteer
Membership Platform

Registration · Verification · Payment · Membership

01The challenge

Volunteer onboarding is more than a registration form.

Hindunesia required a connected journey where registration, identity processing, payment, membership activation, and verification could work together while keeping sensitive identity information protected.

02What we built

One platform.
Multiple workflows.

The product combines a public volunteer journey with payment, membership, administration, and verification services.

01 / VOLUNTEER REGISTRATION

Dynamic onboarding

A structured registration flow that adapts identity requirements for Indonesian and international volunteers.

02 / IDENTITY VERIFICATION

OCR-assisted identity

KTP processing can extract identity information automatically while documents are stored in protected cloud storage.

03 / DONATION & PAYMENT

Connected checkout

DOKU Checkout connects payment confirmation to the volunteer registration and membership workflow.

04 / MEMBERSHIP

Digital identity

Successful registration generates a digital member card and a QR-based public verification experience.

03 / VOLUNTEER REGISTRATION

From registration form to a structured onboarding flow.

The experience collects the information required for membership while dynamically adapting the identity section. HTMX keeps the interaction lightweight without turning the flow into a heavy client-side application.

Personal data→Country→Identity→Donation→Membership
RegistrationMembership
04Identity & verification

Sensitive data handled
with a privacy-aware flow.

Identity processing was designed around limited exposure, protected storage, and controlled access.

01KTP / Passport

Identity requirements adapt to the volunteer's country.

02OCR

Identity fields can be extracted from uploaded KTP documents.

03Private Storage

Identity documents are kept in protected cloud storage.

04Signed Access

Administrative document access uses short-lived signed URLs.

05Audit Logs

Administrative access actions are recorded for traceability.

06QR Token

Public verification uses a random token rather than personal data.

05Payment & membership

Payment becomes part of the product flow, not a separate endpoint.

Volunteer Registration↓DOKU Checkout↓
Payment WebhookMongoDBMembershipDigital CardQR TokenDashboard
06Technology

Built with a focused
engineering stack.

PythonFastAPIJinja2HTMXMongoDBDockerGoogle Cloud StorageOCRDOKUPlaywrightQR Code

RELATED SERVICES

Explore the engineering
behind this product.

This case study connects to the services used to design, build, integrate, and deploy the product.

Web development →Backend & API development →Mobile app development →

07 / THE PRODUCT

A connected volunteer platform,
built from the workflow out.

Hindunesia brings registration, identity processing, payment, membership management, digital card generation, and QR verification into one connected product experience.

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